colorful deciduous and coniferous trees in the magic forest.

acidic agriculture air autumn bark beetle biomass biosphere change climate color coniferous countryside crowns deciduous density development dry eco ecosystem ecozones efficiency energy environment evergreens fall firs flora forest forestry global green growing healthy hemlocks humid industry larch logging lumber lungs moist natural nature pests pine pollution raw renewable resin resources season soil spruce sunlight sustainable taiga tree trees trunk tundra unspoilt vegetation warming wilderness wood woodland